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34 lines
808 B
Plaintext
34 lines
808 B
Plaintext
// src/index.ts
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import { useCallback, useEffect, useRef, useState } from "react";
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function useIsMounted(props = {}) {
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const { rerender = false, delay = 0 } = props;
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const isMountedRef = useRef(false);
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const [isMounted, setIsMounted] = useState(false);
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useEffect(() => {
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isMountedRef.current = true;
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let timer = null;
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if (rerender) {
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if (delay > 0) {
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timer = setTimeout(() => {
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setIsMounted(true);
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}, delay);
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} else {
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setIsMounted(true);
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}
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}
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return () => {
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isMountedRef.current = false;
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if (rerender) {
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setIsMounted(false);
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}
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if (timer) {
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clearTimeout(timer);
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}
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};
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}, [rerender]);
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return [useCallback(() => isMountedRef.current, []), isMounted];
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}
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export {
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useIsMounted
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};
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